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Maximum Power Point Tracking (MPPT) methods can be classified into direct and indirect approaches. They are used to improve the efficiency of power conversion in Photovoltaic (PV) systems. However, a review of present literature implies that the indirect methods never produce accurate results. Meanwhile, the conventional direct Perturb and Observe (P&O) method has two problems: oscillations at...
An improved vector control scheme for an energy feedback power dynamometer is proposed in this paper. The power dynamometer can be operated in both motoring and generating states. In generating mode the dynamometer can feedback the energy with unit power factor. In order to improve the dynamic response, improved vector control scheme is introduced. The torque control method is adopted in the outer-loop...
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